Year	Number
1996	50
1998	34.3283576965332
2000	35.8208961486816
2002	44.7761192321777
2003	52.2388076782227
2004	56.730770111084
2005	59.1346168518066
2006	54.3269233703613
2007	54.3269233703613
2008	53.3653831481934
2009	55.4502372741699
2010	55.4502372741699
2011	56.8075103759766
2012	61.5023460388184
2013	63.8497657775879
2014	57.6354675292969
2015	55.6650238037109
2016	49.7536964416504
2017	53.2019691467285
2018	53.8834953308105
2019	41.5458946228027
2020	37.6811599731445
2021	33.3333320617676
2022	29.9516906738281